STM32L151VC datasheet(63/136 Pages) STMICROELECTRONICS

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DocID022799 Rev 12

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STM32L151xC STM32L152xC

Electrical characteristics

109

Table 20. Current consumption in Sleep mode

Symbol

Parameter

Conditions

fHCLK

Typ

Max(1)

Unit

IDD (Sleep)

Supply current

in Sleep

mode, Flash

OFF

fHSE = fHCLK up to

16 MHz included,

fHSE = fHCLK/2

above 16 MHz (PLL

ON)(2)

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

1 MHz

130

µA

2 MHz

78.5

195

4 MHz

140

310

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

4 MHz

165

310

8 MHz

310

440

16 MHz

590

830

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

8 MHz

350

550

16 MHz

680

990

32 MHz

1600

2100

HSI clock source

(16 MHz)

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

16 MHz

640

890

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

32 MHz

1600

2200

MSI clock, 65 kHz

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

65 kHz

MSI clock, 524 kHz

524 kHz

MSI clock, 4.2 MHz

4.2 MHz

145

210

Supply current

in Sleep

mode, Flash

fHSE = fHCLK up to

16 MHz included,

fHSE = fHCLK/2

above 16 MHz (PLL

ON)(2)

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

1 MHz

60.5

130

2 MHz

89.5

190

4 MHz

150

320

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

4 MHz

180

320

8 MHz

320

460

16 MHz

605

840

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

8 MHz

380

540

16 MHz

695

1000

32 MHz

1600

2100

HSI clock source

(16 MHz)

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

16 MHz

650

910

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

32 MHz

1600

2200

Supply current

in Sleep

mode, Flash

MSI clock, 65 kHz

Range 3,

VCORE=1.2V

VOS[1:0] = 11

65 kHz

MSI clock, 524 kHz

524 kHz

MSI clock, 4.2 MHz

4.2 MHz

155

220

1. Guaranteed by characterization results, unless otherwise specified.

2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register)

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